CN106525985B - The setting method of double metallic composite material phased-array ultrasonic testing calibration test block - Google Patents
The setting method of double metallic composite material phased-array ultrasonic testing calibration test block Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/042—Wave modes
- G01N2291/0421—Longitudinal waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/267—Welds
- G01N2291/2675—Seam, butt welding
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Abstract
A kind of setting method of double metallic composite material phased-array ultrasonic testing calibration test block, using step in detail below: one: carrying out subregion to the fill area groove type of test block；Two: the test reflector of different location is set on fill area groove face respectively；Three: determining the centre coordinate on the first, second, third and fourth upstream fill area reflector weld centreline；Four: determining position coordinates of the upstream heat welding zone reflector on axis of a weld；Five: two kinds of root groove region reflectors of setting；Six: setting is several to climb wave channel reflection body；Seven: setting time difference diffraction calibration reflector；Eight: setting channel gate positions reflector；Nine: two kinds of volume channel reflectors of setting；Ten: being symmetrically arranged downstream reflector.The present invention meets the requirement detected to double metallic composite material submarine pipeline, and the phased array system after solving the problems, such as calibration detects each position different type defect；Improve the reliability and field test efficiency of entire phased array system.
Description
Technical field
The present invention relates to calibration blocks, more particularly to one kind to be used for double metallic composite material phased-array ultrasonic testing calibration
The setting method of test block.Belong to offshore engineering field.
Background technique
For a long time, double metallic composite material Technique of Subsea Pipeline Inspection uses always traditional radiography, not only
Low efficiency, moreover, there is also the potential hazards such as radiation pollution.
Currently, carbon steel pipe line phased array probe (AUT) characterization processes are widely used, technology and equipment is very
Maturation tests to double metallic composite material butt weld according to the phased array probe method of inspection, and checkability relatively passes
The radioscopy of system will improve at least one times, and very environmentally friendly, can satisfy the requirement of offshore construction cross-operation.But it is existing
Some phased-array ultrasonic detection calibration blocks can only meet ordinary carbon steel material shear wave testing requirements, and reflector angle is complete
It is entirely consistent with bevel angle, it the methods of can reflect by the direct projection of shear wave and to realize effective detection of the wave beam to reflector when detection,
Filling metal material and base material have no significant effect the projection of sound wave.And double metallic composite material phased-array ultrasonic detects,
It can only be detected using longitudinal wave direct projection, and weld seam packing material is widely different with carbon steel material, therefore, it is necessary to make improvements.
Summary of the invention
It is a primary object of the present invention to overcome disadvantages mentioned above of the existing technology, and provide a kind of multiple for bimetallic
The setting method of condensation material phased array probe calibration block can not only effectively meet to double metallic composite material Submarine Pipeline
The requirement that road is detected, the phased array system after solving the problems, such as calibration detect each position different type defect；And
And the reliability and field test efficiency of entire phased array system are also improved, it ensure that welding quality.
The purpose of the present invention is implemented by the following technical solutions:
A kind of setting method of double metallic composite material phased-array ultrasonic testing calibration test block, it is characterised in that: use
Step in detail below:
Step 1: the fill area groove type to test block carries out subregion, wherein root is an independent partitions；
Step 2: the test reflector of different location is arranged on fill area groove face respectively, and probe is placed in instead
Beam opposite side, selects a longitudinal wave detection, and the reflection echo noise when wave amplitude covering of mobile probe, measurement test reflector is anti-
The validity of beam；
Step 3: determining the centre coordinate on the first upstream fill area reflector weld centreline, the first upstream fill area is anti-
Beam position is arranged on the groove face of weld seam probe side, and the first upstream fill area reflector and axis of a weld are at 75 °；
Step 4: determining the center of the second upstream fill area reflector, the second upstream fill area reflector and weld seam
Center line is at 70 °；Determine third upstream fill area reflector center position coordinates on axis of a weld, third upstream fill area
Reflector and axis of a weld angle are 65 °；Determine center of the 4th upstream fill area reflector on axis of a weld,
It is 60 ° with axis of a weld angle；
Step 5: the position coordinates according to the 4th upstream fill area reflector, determine the upstream heat welding zone of upstream heat welding zone
Position coordinates of the reflector on axis of a weld, and upstream heat welding zone reflector will be between the 4th upstream fill area reflector
Covering is kept, meanwhile, the angle of upstream heat welding zone reflector position coordinate and axis of a weld is 55 °；
Step 6: two kinds of root groove region reflectors of setting；Wherein, the first upstream root area reflector is located in weld seam
It on heart line, and is 50 ° with the angle of axis of a weld；Second upstream root area reflector is root open slot；
Step 7: setting is several to climb wave channel reflection body；
Step 8: time difference diffraction calibration reflector is respectively set in the upper and lower surfaces in weld centreline；
Step 9: setting channel gate positions reflector；
Step 10: two kinds of volume channel reflectors of setting, volume channel reflector position are located on axis of a weld, reflect
Body type is flat-bottom hole, with axis of a weld at a set angle；
Step 11: using pipe central axes as center axis, the reflector for being symmetrically arranged downstream reflector, and being arranged symmetrically
Position coordinates having the same, reflector type and size.
In the first step, each subregion height are as follows: 2.5mm.
The third step, the 4th step, in the 5th step, reflector type are as follows: flat-bottom hole, aperture are as follows: 3mm.
In 7th step, the first upstream is climbed wave channel reflection body and is located in groove melt run；The second upstream channel Pa Bo
Reflector is identical as the position of third upstream fill area emitter；Wave channel reflection body is climbed in third upstream and to climb wave logical for the first upstream
The position of road reflector is identical.
In 8th step, the position of reflector in time difference diffraction channel is arranged on weld centreline in upper surface, and type is
Slot, the lower end of slot are cone cell, 60 ° of angle；Lower surface is arranged under time difference diffraction channel in the center and weld seam of reflector
Heart line is overlapped, and type is slot, and upper end is cone cell, and 60 ° of angle.
In tenth step, the first volume channel reflector and axis of a weld angle are 70 °；Second upstream volume channel
The angle of reflector and axis of a weld is 45 °.
Beneficial effects of the present invention: the present invention due to the adoption of the above technical scheme, can not only effectively meet to double
The requirement that metallic composite submarine pipeline is detected, the phased array system after solving calibration detect that each position is different
The problem of type flaw；Moreover, the reliability and field test efficiency of entire phased array system are also improved, the comprehensive inspection of defect
Survey ability reaches 0.8mm, ensure that welding quality.
Detailed description of the invention
Fig. 1 is groove type schematic diagram of the present invention.
Fig. 2 is partition channel reflector design diagram in upstream of the present invention.
Fig. 3 is upstream volume reflector design diagram of the present invention.
Fig. 4 is TOFD of the present invention (time difference diffraction) channel calibration reflector schematic diagram.
Fig. 5 is centralized positioning channel reflection body schematic diagram of the present invention.
Fig. 6 is reflector of the present invention design distribution total figure.
Major Symbol illustrates in figure:
1. base material, 2. weld seam fill areas, 3. root erosion resistant coatings, 4. fill area groove types, 5. upstream heat welding zones, 6. roots
Groove, 7. axiss of a weld, 8. first upstream fill area reflectors, the 9, second upstream fill area reflector, 10. third upstreams are filled out
Fill area's reflector, 11. the 4th upstream fill area reflectors, 12. upstream heat welding zone reflectors, the reflection of 13. first upstream root areas
Wave channel reflection body is climbed in body, 14. second upstream root area reflectors, 15. first upstreams, and wave channel reflection is climbed in 16. second upstreams
Wave channel reflection body is climbed in body, 17. third upstreams, reflector in 18. time difference diffraction channels, reflector under 19. time difference diffraction channels,
20. gate positioning reflector, 21. first upstream volume channel reflection bodies, 22. second upstream volume channel reflection bodies, 23. first
Wave channel reflection body is climbed in downstream, and wave channel reflection body is climbed in 24. second downstreams, and wave channel reflection body is climbed in 25. third downstreams, and 26.
One downstream root area reflector, 27. second downstream root area reflectors, 28. downstream heat welding zone reflectors, 29. first downstreams are filled out
Area's reflector is filled, 30. second downstream volume channel reflection bodies, 31. first downstream volume channel reflection bodies, 32. second downstreams are filled out
Fill area's reflector, 33. third downstream fill area reflectors, 34. the 4th downstream fill area reflectors, 35. pipe central axes.
Specific embodiment
As shown in Fig. 1-Fig. 6, the present embodiment: 10 " x18.9mm of line size, fill area groove type 4 are J-type slope
Mouthful, base material 1 is carbon steel material, and for root erosion resistant coating 3 with a thickness of the stainless steel of 3mm, the material of weld seam fill area 2 is Ni-based.
The present invention is using step in detail below:
Step 1: the fill area groove type 4 to test block according to welding procedure approval carries out subregion, each subregion height is
2.5mm, wherein root is an independent partitions；
Step 2: the composite behaviour according to used phased array probe (AUT), is arranged on fill area groove face respectively
The test reflector of different location, and probe is placed in reflector opposite side, select a longitudinal wave detection, mobile probe, measurement
Test the validity of the reflection echo noise when wave amplitude covering reflector of reflector；
Step 3: determining the centre coordinate on 8 weld centreline of the first upstream fill area reflector are as follows: (0,4.5), on first
Trip 8 position of fill area reflector is arranged on the groove face of weld seam probe side, and 8 place-centric of the first upstream fill area reflector is sat
It is designated as (6,2.89), reflector type are as follows: flat-bottom hole, aperture are as follows: 3mm, the first upstream fill area reflector 8 and axis of a weld
At 75 °, to ensure effective covering of the effective detection beam of phased array system generation for the first upstream fill area reflector 8；
Step 4: determining the center of the second upstream fill area reflector 9, the first upstream fill area reflector 8 is being welded
The centre coordinate on center line 7 is stitched, along with the center that a subregion height obtains the second upstream fill area reflector 9 is sat
Be designated as (0,7), reflector position Weld pipe mill, position coordinates (0,7), reflector type be flat-bottom hole, aperture 3mm, second
Upstream fill area reflector 9 and axis of a weld are at 70 °.The effective covering for fully considering neighboring reflection body is successively successively decreased one
Subregion height obtains the center position coordinates of reflector 10 and the 4th upstream fill area reflector 11 on weld centreline.It determines
Center position coordinates (0,9.5) on axis of a weld 7 of third upstream fill area reflector 10, third upstream fill area reflector
Position coordinates (- 5.05,11.86), are 65 ° with axis of a weld angle, and reflector is flat-bottom hole, aperture 3mm.Determine the 4th
Center position coordinates (0,12) of the upstream fill area reflector 11 on axis of a weld 7, the 4th upstream fill area reflect position
Coordinate (0,12) is set, is 60 ° with axis of a weld angle, reflector is flat-bottom hole, aperture 3mm.
Step 5: the position coordinates according to the 4th upstream fill area reflector 11, determine the upstream hot weld of upstream heat welding zone 5
Position coordinates of the area's reflector 12 on axis of a weld 7, and the setting of upstream heat welding zone reflector 12 will be filled out with the 4th upstream
It fills between area's reflector 11 and keeps effective covering, meanwhile, consider the directionality that welding defect generates.Upstream heat welding zone reflector
12 in 7 position coordinates of axis of a weld (0,16.5), 12 position coordinates of upstream heat welding zone reflector (- 2.86,16.5), with weld seam
The angle of center line 7 is 55 °, and reflector is flat-bottom hole, aperture 3mm.
Step 6: setting 6 region reflector of root groove.Fully consider the root area of double metallic composite material butt weld
The importance and difficulty of domain detection, are arranged two distinct types of reflector.Wherein, the first upstream root area reflector 13 is located at
On axis of a weld 7, position coordinates (0,17), the angle with axis of a weld 7 is 50 °, and reflector is flat-bottom hole, aperture
3mm.Second upstream root area reflector 14 is set, is root open slot, slot is having a size of (high 1mmx wide 1mmx long 15mm).
Step 7: setting is several to climb wave channel reflection body, wave channel is climbed for detecting phased array probe top blind area, this reality
It applies example and three various sizes of reflectors is set, the first upstream is climbed wave channel reflection body 15 and is located in groove melt run, reflector
For slot, size (high 0.5mmx wide 0.5mmx long 15mm), wave channel reflection body 16 is climbed in the second upstream and third upstream fill area is sent out
The position of beam 10 is identical, and type is identical, and having a size of (high 1mmx wide 1mmx long 15mm), wave channel reflection body 17 is climbed in third upstream
Identical as the position that wave channel reflection body 15 is climbed in the first upstream, type is identical, having a size of (high 2mmx wide 1mmx long 15mm).
Step 8: time difference diffraction calibration reflector is respectively set in the upper and lower surfaces in weld centreline 7, it is arranged in upper surface
Reflector 18 in time difference diffraction channel, position is on weld centreline, and type is slot, and the width 1mm of slot, height 3mm, lower end is
Cone cell, 60 ° of angle.Reflector 19 under time difference diffraction channel is arranged in lower surface, and center is overlapped with axis of a weld, and type is
Slot, the width 1mm of slot, height 3.59mm, upper end are cone cell, 60 ° of angle.
Step 9: setting channel gate positions reflector 20, it is through slot that gate, which positions reflector 20, and groove width 1mm is long
Spend 5mm.
Step 10: setting volume channel reflector, reflector quantity are calculated by formula (see formula 1), round up, volume
Channel reflection body position is located on axis of a weld 7, and reflector type is flat-bottom hole, with axis of a weld at a set angle.
N=(T-A)/8----------------------------- (1)
Wherein: N- reflector quantity；
T- wall thickness；
The root A- height.
Volume channel reflector quantity of the present invention is arranged two, is all made of flat-bottom hole, aperture 2.5mm, the first upstream volume
21 center position coordinates of channel reflection body (0,5.4) are 70 ° with axis of a weld angle, the second upstream volume channel reflection body
22 center position coordinates (0,11.4), the angle with axis of a weld 7 are 45 °.
Step 11: the setting of downstream reflector:
1. being symmetrically arranged downstream reflector with pipe central axes 35 for center axis；Wherein, the first downstream channel Pa Bo is anti-
Beam 23 is climbed wave channel reflection body 17 with third upstream and is arranged symmetrically, and the second downstream is climbed wave channel reflection body 24 and climbed with the second upstream
Wave channel reflection body 16 is arranged symmetrically, and wave channel reflection body 25 is climbed in third downstream and wave channel reflection body 15 is climbed symmetrically in the first upstream
Arrangement, the first downstream root area reflector 26 are arranged symmetrically with the second upstream root area reflector 14, and the second downstream root area is anti-
Beam 27 is arranged symmetrically with the first upstream root area reflector 13, downstream heat welding zone reflector 28 and upstream heat welding zone reflector 12
It is arranged symmetrically, the first downstream fill area reflector 29 is arranged symmetrically with the 4th upstream fill area reflector 11, the second downstream volume
Channel reflection body 30 is arranged symmetrically with the second upstream volume channel reflection body 22, the first downstream volume channel reflection body 31 and first
Downstream is climbed wave channel reflection body 23 and is arranged symmetrically, and the second downstream fill area reflector 32 and third upstream fill area reflector 10 are right
Claim arrangement, third downstream fill area reflector 33 is arranged symmetrically with the second upstream fill area reflector 9, and the 4th downstream fill area is anti-
Beam 34 is arranged symmetrically with the first upstream fill area reflector 8.
2. the reflector being arranged symmetrically position coordinates having the same, reflector type and size.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, it is all
It is any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention, still falls within
In the range of technical solution of the present invention.
Claims (6)
1. a kind of setting method of double metallic composite material phased-array ultrasonic testing calibration test block, it is characterised in that: use with
Lower specific steps:
Step 1: the fill area groove type to test block carries out subregion, wherein root is an independent partitions；
Step 2: the test reflector of different location is arranged on fill area groove face respectively, and probe is placed in reflector
A longitudinal wave detection is selected in opposite side, and mobile probe, when wave amplitude covers reflector to the reflection echo noise of measurement test reflector
Validity；
Step 3: determining the centre coordinate on the first upstream fill area reflector weld centreline, the first upstream fill area reflector
Position is arranged on the groove face of weld seam probe side, and the first upstream fill area reflector and axis of a weld are at 75 °；
Step 4: determining the center of the second upstream fill area reflector, the second upstream fill area reflector and Weld pipe mill
Line is at 70 °；Determine third upstream fill area reflector center position coordinates on axis of a weld, the reflection of third upstream fill area
Body and axis of a weld angle are 65 °；Center of the 4th upstream fill area reflector on axis of a weld is determined, with weldering
Stitching centerlines is 60 °；
Step 5: the position coordinates according to the 4th upstream fill area reflector, determine the upstream heat welding zone reflection of upstream heat welding zone
Position coordinates of the body on axis of a weld, and upstream heat welding zone reflector will be kept between the 4th upstream fill area reflector
Covering, meanwhile, the angle of upstream heat welding zone reflector position coordinate and axis of a weld is 55 °；
Step 6: two kinds of root groove region reflectors of setting；Wherein, the first upstream root area reflector is located at axis of a weld
On, and be 50 ° with the angle of axis of a weld；Second upstream root area reflector is root open slot；
Step 7: setting is several to climb wave channel reflection body；
Step 8: time difference diffraction calibration reflector is respectively set in the upper and lower surfaces in weld centreline；
Step 9: setting channel gate positions reflector；
Step 10: two kinds of volume channel reflectors of setting, volume channel reflector position are located on axis of a weld, reflector class
Type is flat-bottom hole, with axis of a weld at a set angle；Step 11: being symmetrically arranged using pipe central axes as center axis
Downstream reflector, and the reflector position coordinates having the same being arranged symmetrically, reflector type and size.
2. the setting method of double metallic composite material phased-array ultrasonic testing calibration test block according to claim 1, institute
It states it is characterized by: in the first step, each subregion height are as follows: 2.5mm.
3. the setting method of double metallic composite material phased-array ultrasonic testing calibration test block according to claim 1,
It is characterized in that: the third step, the 4th step, in the 5th step, reflector type are as follows: flat-bottom hole, aperture are as follows: 3mm.
4. the setting method of double metallic composite material phased-array ultrasonic testing calibration test block according to claim 1, institute
It states in the 7th step, the first upstream is climbed wave channel reflection body and is located in groove melt run；Wave channel reflection body and are climbed in second upstream
The position of three upstream fill area emitters is identical；Wave channel reflection body is climbed in third upstream and wave channel reflection body is climbed in the first upstream
Position is identical.
5. the setting method of double metallic composite material phased-array ultrasonic testing calibration test block according to claim 1, institute
It states in the 8th step, the position of reflector in time difference diffraction channel is arranged on weld centreline in upper surface, and type is slot, the lower end of slot
Portion is cone cell, 60 ° of angle；The center of reflector is overlapped with axis of a weld under lower surface setting time difference diffraction channel, class
Type is slot, and upper end is cone cell, 60 ° of angle.
6. the setting method of double metallic composite material phased-array ultrasonic testing calibration test block according to claim 1, institute
It states in the tenth step, the first volume channel reflector and axis of a weld angle are 70 °；Second upstream volume channel reflection body and weldering
The angle for stitching center line is 45 °.
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| CN103439408A (en) * | 2013-08-20 | 2013-12-11 | 北京巴布科克·威尔科克斯有限公司 | Ultrasonic detection method for weld joint of small-caliber pipe shelf angle |
| CN205353011U (en) * | 2016-01-08 | 2016-06-29 | 北京中唐电工程咨询有限公司 | A device of detecting a flaw for thin wall return bend ultrasonic inspection |
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